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Thoroughbred Diesel has been your online performance headquarters since 2002. We know how to get the most performance out of your pickup truck and offer all of today's most popular diesel performance products.

AirDog® fuel air separation systems, with the efforts of PureFlow AirDog®, have become the most sought-after, after-market diesel fuel pump system for diesel pickups, on the market today. Under the management and direction of DieselRx® and Shares, Inc., PureFlow AirDog’s production and order fulfillment program is housed in DieselRx®'s ISO Certified, 70,000 square foot facility in Shelbyville, Indiana. Together, these innovative product lines have expanded the capabilities of the company and will offer our customers a wide range of quality diesel products.